Our goal is to solve the world’s healthcare challenges with research data.


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About Castor

Based in Amsterdam, The Netherlands and New Jersey, US, Castor is an international health-tech company founded in 2012 by CEO Derk Arts, MD, PhD to leverage machine readable data to increase clinical trial efficiency. Castor’s Electronic Data Capture (EDC) platform enables every researcher worldwide to easily capture and integrate medical research data from any source in real-time, including clinicians, patients, devices, wearables, and EHR systems.

Castor is currently collaborating with 40,000 researchers, academic institutions and commercial companies across 90 countries. Their platform has supported more than 4,100 studies that cover a broad range of disease areas including diabetes, cardiovascular disease, rare diseases, and cancer. Researchers on the platform generate vast amounts of data from traditional and decentralized trials, and Castor recently reached milestones of 180,000,000 data points and 2,000,000 enrolled patients. Castor’s goal is to make the world’s research data reusable, enabling AI-driven clinical trials, and ultimately creating a future in which we maximize the impact of data through reuse.

In 2018 Castor raised $6.25M in funding from early-stage investor INKEF Capital in the Netherlands.

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Quick facts

  • Founded in 2011
  • Headquartered in Amsterdam with offices in the U.S.
  • 50+ team members
  • 40,000+ users in 90+ countries
  • 4,100+ live studies
  • 1,500,000+ enrolled patients
  • 140,000,000+ data points
  • Servers in the Netherlands, UK, and US
  • $6.25M raised during seed round
  • €2M in grants from the European Union
  • $12M raised during Series A